- From: <bugzilla@jessica.w3.org>
- Date: Mon, 26 Aug 2013 23:18:28 +0000
- To: public-webapps-bugzilla@w3.org
https://www.w3.org/Bugs/Public/show_bug.cgi?id=20257 --- Comment #4 from Kyaw Tun <kyawtun@yathit.com> --- Are there other "interesting" cases: filtering multiple field Suppose we have two indexes IndexA index key primary key ========= =========== "a" ..... 1 "a" ..... 2 "a" ..... 3 "b" ..... 1 "b" ..... 2 "b" ..... 3 "b" ..... 4 IndexB index key primary key ========= =========== "B" ..... 3 "B" ..... 5 We want to query record WHERE IndexA = "b" IndexB = "B" cursorA = IndexA.openKeyCursor(IDKeyRange.only("b")) cursorB = IndexB.openKeyCursor(IDKeyRange.only("B")) cursorA => ("b", 1) cursorB => ("B", 3) since, primary key of cursorA is lower than cursorB, we continue on cursorA. cursorA.continue("b", 3) => ("b", 3) since, primary key of cursorA and cursor B are same, we get a result. result.push(ObjectStore.get(3)) find, next result cursorA.continue() => ("b", 4) cursorB.continue() => ("B", 5) since, primary key of cursorA is lower than cursorB, we continue on cursorA. cursorA.continue("b", 5) => null No more result to be found. Notice that, number of steps require to get the result is independent of record size, but depend on result size. -- You are receiving this mail because: You are the QA Contact for the bug.
Received on Monday, 26 August 2013 23:18:29 UTC